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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.

Drupa morum
BPBM 235092
D. B. Langford; Thaanum, 1949
Alamagan, Northern Mariana Islands

Drupa ricina
BPBM 235111
D. B. Langford; Thaanum, 1949
Alamagan, Northern Mariana Islands

Drupa ricina
BPBM 235129
D. B. Langford; Thaanum, 1949
Alamagan, Northern Mariana Islands

Purpura persica
BPBM 254387
Daniel B. Langford; Ditlev Due Thaanum, 1948
Alamagan, Northern Mariana Islands
